Home / 38,240.72-57,362.04-18,515.60

Finding the Fourth Proportional to 38,240.72, 57,362.04 and 18,515.60

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Solution

The fourth proportional to 38,240.72, 57,362.04 and 18,515.60 is: 27,773.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.72 : 57,362.04 = 18,515.60 : x
  2. Step 2: Convert to fraction form
    38,240.72/57,362.04 = 18,515.60/x
  3. Step 3: Cross multiply
    38,240.72x = 57,362.04 × 18,515.60
  4. Step 4: Simplify right side
    38,240.72x = 1,062,092,587.82
  5. Step 5: Solve for x
    x = 1,062,092,587.82/38,240.72
  6. Step 6: Final answer
    x = 27,773.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.